I need help mamas

I think I have a hormonal imbalance. I mean at a few months postpartum, don't we all? But it's sometimes disrupting my life a little. I have moments where I get really angry, like dealing with multiple things that would normally be slightly annoying can put me into a rage. I hate it, and I'm not sure how to control it because it happens pretty suddenly without me really thinking about it. I'm normally not a very emotional person, but now I end up crying because I feel so guilty about getting angry but then I get angry because I'm crying, it's a vicious cycle. I haven't gone to the doctor for financial reasons and I don't want them to just brush it off with medication. I know it's because I'm not taking care of myself, but I try. There's just so many other things that come first. I'm currently almost 10 pounds below my pre baby weight, and I was underweight to begin with😔 I'm trying to have a better diet because I definitely haven't been eating enough, but I've never gained weight easily and I don't know how to do that while still eating healthy food. Anyone else dealt with crazy hormone related anger and have some advice??